What are the most popular routes to Bolu?
| Istanbul Europe - Bolu | Average priceJP¥2 652 | Average duration5h 15m | Daily departures125 | |
| Istanbul Asia - Bolu | Average priceJP¥2 686 | Average duration3h 45m | Daily departures53 | |
| Sakarya - Bolu | Average priceJP¥2 114 | Average duration1h 40m | Daily departures30 | |
| Eskişehir - Bolu | Average priceJP¥4 411 | Average duration4h 10m | Daily departures2 | |
| Gebze - Bolu | Average priceJP¥2 476 | Average duration3h | Daily departures37 | |
